Self-closing pendulum-hanger for doors.



J. H. STEWART.

SELF CLOSING PENDULUM HANGER FOR DOORS.

APPLICATION FILED 050.5. I917.

l,2'?5,175. Rimming. 6,1918.

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- gmatically closing the door after the same has "1 with connectingdevices for UNITED sTATns. rATEnT rr10 v To all whom/it may. 00mm.- 7

JOHN H. STEWART; or AMAICA'NEW YoRK,AssIe1\ron o THE oonumv TROLLEYTRACK MFG' COMPANY, or HQLYOKE, MAs-s oH sETTs, A- CORPORATION, or

MASSACHUSETTS.

SELF-CLOSING rnnnnnuirnii'nsnn Ton noorts.

"Be it knownlthat I, JOHN STnWAnT, a,-

-:subjeot of'the-King of Great Britain, and a 1. '1 liding doors.

resident of Jamaica, borough of Queens, in

the. county of Queens and State of New :York, have invented certainnewandfuseful Improvements =in Self-Closing. Pendulum- Hangers for Doors,ofwhich; the following is a full, clear, and exact description,

This invention relates to improvements in- Inthe illustrationaccompanylngthis application it is'shown as being applied to elevatorwells, but it is of course understood that its applicati n i not '6 '15stricted to any particular use,.since it, may

1 readily be adapted to -other uses-as desired, *as for example, barn orcar doors.v 'I-t re- :1ates,in. general, to the Ttype'of doorsshown iand described in. Letters Patent of the United States granted-tome onDecember 12,1916, .#l,208,690,-forself closing 'pendu-,

lum' hanger for doors, and in my pending application Serial #177,300,filed-June 27,

- 1917, known as pendulum hangers for doors.

The present invention differs from these referred to in having the doorclosingweight .located'abovethe door in a'recess or'open- M ing=immediately above that part of thedoor frame or "case at theupper end ofthe doors.

. --causingthe weight to close a second door -asthelfirst one isoperated; I

. Figure. 1 shows the posltion of The invention, broadlyconsidered, commbeen opened. Devices are also provided for :Beferring to the drawings:

the. door flatter being opened,with the weight elevated Fig. 3 is averticalsectionalview'on the a for; returning theidoor toits closedp'osition.--

.23, which is slldably supported by means of In this view two movabledoors areshown operating one from the other.

" line 3 3 of Fig.1 showing the arrangement of the operative parts and.i

Y Fig.4 is a horizontal sectional view on the line H 'of Fig. 2:showingtwo movable Specification of Letters Patent:

' door sectionsarrangedlfor slidingfor passin g by each other, and .a,fixed door section.

" Fig.. 5 a modification of the weight operating mechanism.

redgevof the doors'; 4.1 is a beam or girder which may be of channeliron and to which the door: supporting pendulum is attached.

. 5 is a pendulum bar, Which fislpivotally attached, to the heamlby anysuitablemeans,

as a plate 6 and pin7, theplateh'aving a I g Y Patented Aug. 6, 1918 iApplication filed December 5, 1917. s ri'a' t assse; V i

slot, if desired, for thepu'rposes of adjust-V ment. The pendulum bar 5is pivotally connected to the door- 8 means. of the crank 9 and pin 10.,the crank being also pivotally conneotedlto the door 8 by means of theplate 11, which, as shown, is set into{ one of the lower, panels andsecured thereto by means of bolts 12 and 13. The pendulum bar 5 isfurther connected to the door 8 by means of the slot 14; in the pendulumand the pin 15,;which' is carried. by the plate 11. I It is in a line,passing through the center of gravity of the door; .The bar5 hasattached which the roller 17 rests, which is rotatably attached tojtheweight 18. This weight is placed on the outer end of the'rod 19, whichfis -pivotally connected to the building as indicated at 2Q; The eflect,of this weight, which is supported on the rm 16, is to normally'retainthe-Idoor 8 in a closed position as shownin Fig. 2; Connected tothe bar22 which, as shown in Fig. 4c, is attached to the right hand edgefof thesliding door a second pendulum or bar 2t, which is also connected to theplate '6 by means of the 23 by means of the .crank- 25 and pins 26 v and27 and the slot and pin connection 28 and 29. The piece 3 is slotted,shown in Fig. 3, at30 to permit the pendulum 24 to to be understood thatthe connection of the crank.9'tothe door, and the pin 15 are thereto thecurved arm, or, extension 16, on

passloosely therethrough, The door section 31 is a fixed one. When theother two door sections are moved toward the right hand they will occupya position atthe side of and in front of the door section 31.

Instead of the arm 16 being used, a bar 32, shown in Fig. 5, may beused. This vbar is connected to the pendulum bar 5. Its

outer, end has attached thereto a weight .33

by means of the flexible connection 34.

The operation of the door "hanger may be described as follows: Asalready stated, the

actiono'f the weight 118is to normally retain the doors in a closedposition. Should the operator move the doors 8 and 28 to theopenposition (See Fig. 1) by grasping the latch '35, they will be movedfrom the posi.-'

Y tion shownin Fig. 4 to that shown in Fig. 3;

On account of the doors 8 and 23, being hung, or supported, at theircentersof gravity, they will be operated with very much less effort bythe operator and have a tendency to remain in a vertical position. Theirupper edges will be free from contact with the beam3. The weight of thedoors is supported by means of suitable rollers located in the lowerpart of the doors, as shown at 36. The slot and pin construction 1 t,15, 28 and 29 will readily'permit the pendulum bars 5 and 2% to havefreeand unrestricted movements during the opening and closingoperations. After the doors 8 and 2-3 are opened and the operatorreleases his grasp on the latch 85, they will close automatically byreason of the weight 18, and roller 17 acting onthe arm 16, or, weight33 on the arm 32. It should bestated that the door 23' will be moved bythe bar 21 to its open or closed position when the door 8 is operated.This door 23 will have a rate of movement one half that ofthe door 8 byreason of the bar 21 being connected at a point midway between thepivots 7 and 15.

From this description it will be seen that the weight 18 is located inrecessesthat are separate from the door and in a position that will notendanger the operator. Also the crank and pin connection 9 and 10, 26and 27, is located in a recess of-the door itself. It will also beobserved that the de vice is very simple in construction, having 'fewparts that are constructed from comparatively inexpensive material.

What I claim is:

1. A sliding door operating device comprising, in combination with thedoor to be operated, of a pendulum'barhaving pivotal connections with afixed support above the door-way, its lower end having'a crank and pinconnection with the doorand also in addition a slot and pin connectionwith the door in the same-vertical line as the crank and pin connection,and devicesincluding a weight operating on an arm attached to thependulum bar for returning the door to its normally closed positiomsaidmeans coniprising an arm on the pendulum bar and a movable weightengaging ,the arm for the purpose set forth.

2. A sliding door construction, comprising, in combination, doorsections, of a swinging bar that is pivotally secured to a fixed supportadjacent the door-way and to .the door section to be moved, aseconddoorsection, a second swinging bar pivoted to the fixed'support atthe same point as the first mentioned swinging bar and connected to thesecond door section, a bar connected to the first-mentioned swinging barand to the second-door section for causing the :two door sections to:move together, .butat different rates of motion, and a weight,theaction of whlch 1900111111011 to the two door sections andswingingbars for returningxthe doors to their normally closed position-3. A sliding. door construction comprising, in combination, a pendulum.bar having a pivotal connection with a fixed support at one end and adoor sectionconnected-to the said bar at its other end, the latterconnec tion including acrank arm, a slot and pin connection of the:pendulum 'bar,v with the door sect1on,-sa1dbar having an inclinedposition when the door-section .is normally closed, a weight having an.independentfpivotal connection with the fixed support,.andinter-engaging means between the weight and the pendulumbar forreturning the door section to and maintaining the same in its normallyclosed position.

1. Adoor'operating'device comprising, in combinationuwith thedoorztobeoperated, of

a pendulum bar sihaving pivotal connection 7 with a-fixedsupport.abovethedoorway, its lower end having a crank and-pin?connection with the door at apoint which is located in a linepassing'through the center of gravity .rates or speeds, and comprisingtwo pendulum barspivotally hung from the samefixed point, eachbarhaving-a crank and pin and a slot and pin connection withra-gdoorsect1on, anda connection from one of saidz'bars which connectsonedoorsection'to the other door section.

. 6. A slidmg door construction, .compris- .ing, in combination, doorsections,w.pendulum operating bars :for said sections, means "for movingone; sectiomfrom the other, means for returning the .door. sections to,their mit al positions comprislng a rod having a pivotal connection Witha fixed support, a Weight on the rod, an arm on one of the pendulums forreceiving the weight to cause the door sections to return to theirinitial position.

7. A sliding doorconstruction comprising, in combination, a doorsection, a one-piece pendulum directly connected to the door section foroperating the same, means arranged adjacent thev pivotal point of thependulum for returning the door section to its first position afterbeing removed there-" from and comprising an arm on the pendulum and aWeight movable on the arm.- 7

8. A sliding door construction, compris- Copies of this patent may beobtained for five cents ing, in combination, a .door section, a pendulumfor operating said section duringits cally returning the door section toits initial position comprising an arm'on the operating pendulum, a barhaving a pivotal connection With the fixed support and on which latterbar a Weight is located, and a roller carried by the Weight forengagingthe arm on the purpose described.

pendulum for the JOHN H. STEWART.

each, by addressing the Commissioner of Patents,

Washington, D. G.

